CVE-2013-7459

Public Exploit

Description

Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 17.44% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1409754 issue tracking vdb entry third party advisory
https://pony7.fr/ctf:public:32c3:cryptmsg exploit third party advisory technical description
http://www.openwall.com/lists/oss-security/2016/12/27/8 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/ vendor advisory
https://github.com/dlitz/pycrypto/issues/176 patch vendor advisory
http://www.securityfocus.com/bid/95122 vdb entry third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/ vendor advisory
https://security.gentoo.org/glsa/201702-14 vendor advisory
https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 patch

Frequently Asked Questions

What is the severity of CVE-2013-7459?
CVE-2013-7459 has been scored as a critical severity vulnerability.
How to fix CVE-2013-7459?
To fix CVE-2013-7459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-7459 being actively exploited in the wild?
It is possible that CVE-2013-7459 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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